Concrete mold



FIG. 1 is a top perspective view of a concrete mold, showing my design.

FIG. 2 is a bottom perspective view of the concrete mold.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarged view of an area labeled 9 in FIG. 1; and,

FIG. 10 is an enlarged view of an area labeled 10 in FIG. 2.

The broken lines in the drawings depict portions of the concrete mold that form no part of the claimed design. 

CLAIM The ornamental design for a concrete mold, as shown and described. 